EP0583569B1 - A peeling machine for vegetable products - Google Patents

A peeling machine for vegetable products Download PDF

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Publication number
EP0583569B1
EP0583569B1 EP93109430A EP93109430A EP0583569B1 EP 0583569 B1 EP0583569 B1 EP 0583569B1 EP 93109430 A EP93109430 A EP 93109430A EP 93109430 A EP93109430 A EP 93109430A EP 0583569 B1 EP0583569 B1 EP 0583569B1
Authority
EP
European Patent Office
Prior art keywords
peeling
container
rollers
machine according
peeling machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93109430A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0583569A1 (en
Inventor
Bo JÖNSSON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Limas AB
Original Assignee
Limas AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Limas AB filed Critical Limas AB
Publication of EP0583569A1 publication Critical patent/EP0583569A1/en
Application granted granted Critical
Publication of EP0583569B1 publication Critical patent/EP0583569B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N7/00—Peeling vegetables or fruit
    • A23N7/02—Peeling potatoes, apples or similarly shaped vegetables or fruit

Definitions

  • the present invention relates to a peeling machine for batchwise peeling of vegetable products.
  • Peeling machines for peeling vegetable products and the like are adapted either for batchwise peeling of the vegetable products or for peeling the vegetable products while these are fed through a chamber in the peeling machine from a charging end to a discharging end of the peeling machine.
  • the peeling machine according to the present invention is adapted for batchwise peeling of vegetable products.
  • a previously known peeling machine for batchwise peeling of vegetable products for example the peeling machine shown and described in EP-A-0 422 627, comprises a container in which the vegetable products are placed. In the container there are provided peeling means for removing the peel of the vegetable products while there are established a relative movement and an engagement between the vegetable products and the peeling means.
  • the bottom of the container for receiving the vegetable products is at least partially constituted by a number of rotatable peeling rollers which are positioned parallel to each other and which constitute the peeling means of the peeling machine.
  • the peeling machine for batchwise peeling of the kind described above provides for an efficient and uniform peeling of the vegetable products but the previously known machine for batchwise peeling of vegetable products is unfavourable in the respect that it is difficult and complicated to adapt the capacity of the peeling machine to different requirements appearing for example as a consequence of the desired peeling of different types of vegetables.
  • the peeling machine is characterized in that the peeling machine comprises two or more containers provided with peeling means and intended for successive use and that the peeling machine is adapted for transferring the vegetable products from one container to a following container in a direction transversely of the longitudinal direction of the peeling rollers.
  • a peeling machine it is possible in a simple way to change the capacity of the peeling machine by providing the peeling machine with the desired number of containers provided with peeling means and adapted to be used successively.
  • the first container can be adapted for coarse peeling while the following container or containers is or are intended for successively finer peeling of the vegetable products.
  • the last container in the succession of containers can be adapted for fine peeling with water and/or knife peeling.
  • the transfer of the vegetable products between the successive containers can be provided in a simple way by the fact that the containers are dischargable by tipping.
  • the peeling rollers are adapted to be rotated in the same direction during the peeling operation so that the peripheries of the rollers at the surface forming the bottom of the container move from a first side of a container towards the opposite side of the container. It is preferred that the peeling rollers are adapted to contribute to discharging of the containers by being rotated in an opposite rotational direction from the rotational direction during the peeling operation and that the container is provided with a discharge door at the first side of the container.
  • At least a section of the part of the bottom of the container which is constituted by the peeling rollers forms a concavely curved surface, which is of for example elliptic shape.
  • the peeling rollers can adjacent one side of the container be positioned in a horizontal plane taking a successively higher level in a concavely curved surface in the direction of the opposite side of the container.
  • the curved surface is of elliptic shape the curved surface may constitute about a fourth of an ellipse with the largest radius of curvature positioned at one side of the container with substantially horizontal orientation and the smallest radius of curvature positioned at the opposite side of the container with substantially vertical orientation.
  • the peeling rollers have at their surfaces cutting elements, for example consisting of cutting grits of carborundum provided as a coating on the rollers.
  • the cutting elements on one or more of the rollers can be provided within surface portions which are separated from each other and between which there are provided smooth and preferably glossy surface portions of the rollers. This provides for a substantially improved removal of peel remains from the rollers while the edges between the surface portion provided with cutting element and the glossy surface portions of the rollers can be used for providing the vegetable products with a pattern of motion promoting the peeling of the vegetable products.
  • Fig. 1 is a side view of a container included in a peeling machine for batchwise peeling according to the invention.
  • Fig. 2 is a plan view of the container shown in Fig. 1.
  • Fig. 3 is a schematic section of the container according to Figs. 1 and 2 on line III-III of Fig. 1.
  • Figs. 4a and 4b are schematic sections of a peeling machine comprising two containers of the kind shown in Figs. 1 - 3 in operative position and discharging position, respectively.
  • Fig. 5 is a plan view of three peeling rollers of a peeling machine according to the invention.
  • the peeling machine according to the invention is adapted for peeling vegetable products, preferably potatoes.
  • the peeling machine is of the type for batchwise peeling, i.e. the peeling machine is supplied with a certain amount of unpeeled products, whereupon the peeling operation is conducted and the peeled product is removed from the peeling machine after which a new batch of unpeeled products is supplied to the peeling machine and so on.
  • the peeling machine comprises two or more containers provided with peeling means and intended for successive use, the peeling machine being adapted for transferring the vegetable products from one container to a following container in a director transversely of the longitudinal direction of the peeling rollers.
  • Each of the containers constituting the peeling machine according to the invention is built on a frame consisting of longitudinal beams 2, posts 4, and conventional structural members.
  • the frame supports a container 6 comprising a rear wall 8, a front wall 10 and side walls 12.
  • the bottom of the container 6 is constituted by six parallel rollers 14 which at their end portions are rotatably journalled in the frame outside the side wall 12 of the container 6.
  • each container 6 supports a front collector plate 16 and a rear collector plate 18, the front collector plate 16 being connected with the front wall 10 and the rear collector plate 18 being connected with the rear wall 8.
  • the collector plates 16 and 18 extend obliquely inwardly beneath the rollers. In the lateral direction the collector plates 16 and 18 extend somewhat outside the side walls 12.
  • the collector plates 16 and 18 have the object of guiding waste material to a collector vessel or the like positioned below the container.
  • the front wall 10 of the container 6 has at its upper edge a portion 20 angled in forward direction and laterally projecting portions 22 in order to facilitate the supply of potatoes to the containers 6.
  • the rollers 14 are journalled in the frame of each container 6 in such a way that the bottom of the container provided by the rollers will form a concavely curved surface having its lower edge at the front wall 10 of the container and its highest edge at the rear wall 8 thereof.
  • the two rollers 14 being positioned adjacent the front wall 10 are journalled on the same height while the successive rollers are journalled with an increasing high difference in relation to the previous roller so that the radius of curvature of the bottom of the containers will decrease from the front wall 10 towards the rear wall 8.
  • the bottom surface formed by the rollers is of substantially vertical orientation.
  • the concavely curved surface of the bottom corresponds to the shape of a fourth of an ellipse but it is of course possible to adapt the curvature in a desired way with regard to the product to be peeled and so on.
  • rollers 14 At one end the rollers 14 are provided with pulleys 24 which through V-belts, a split coupling 26 and a variator 28 are driven by an electric motor 30.
  • the rollers are provided with a coating consisting of cutting carborundum grits. These carborundum grits constitute the peeling means of the peeling machine and cut or grind away the peel of the potatoes when the rollers are rotated.
  • the rotational direction of all rollers 14 is such that the surfaces of the rollers, which form the bottom of the container 6 move away from the front wall 10 towards the rear wall 8.
  • a suitable charge weight for potatoes is 80 - 100 kg.
  • the rotational speed of the peeling rollers 14 is increased by means of the variator 28 to a suitable value, the potatoes being thereby subjected to the influence of the carborundum grits of the peeling rollers 14 which provides that the peel of the potatoes are cut or ground away at the same time as the potatoes circulate from the front wall 10 of the container up to the highest roller at the rear wall 8 from which the potatoes are thrown back to the front wall 10 of the container.
  • the peel remainders fall down to the bottom of the containers below the rollers 14 and are directed to some kind of suitable collecting vessel or other collecting place by means of the collector plates 16 and 18.
  • the peeled potatoes are discharged from the container 6 to a following container.
  • This can be provided by tipping the container 6 which can be provided in respect of an axis, not shown, extending parallel to the rollers 14 in the vicinity of the upper edge of the rear wall 8.
  • the discharging can be accomplished by providing the front wall 10 of the container with an openable door (not shown). After the door has been opened the container can be emptied by rotating the rollers 14 in the opposite direction of rotation in relation to the direction of rotation used for the peeling.
  • the machine for batchwise peeling comprises two or more containers of the kind shown in Figs. 1 - 3.
  • the peeling machine can consist of two containers 32 and 34, each container being constructed in the same way as the container according to Figs. 1 - 3.
  • the peeling operation is hereby divided into two phases, in which the first phase which can consist of a coarse peeling without water is conducted in the container 32. After the first phase has been completed the potatoes are tipped over to the container 34 as shown in Fig. 4b, whereupon the final peeling which is constituted by a fine peeling and can be conducted with the addition of water is conducted in the container 34. It is realized that the peeling device according to Figs.
  • the peeling machine can be constructed so as to include a desired number of containers so that the peeling operation can be conducted in the most suitable way.
  • Fig. 5 there is shown a plan view of three peeling rollers 36, 38 and 40 in a modified embodiment of a peeling device according to the invention.
  • Conventional peeling rollers can be provided by helically winding the smooth cylinder surface of the rollers by means of a strip coated with carborundum, which is bound to the surface of the roller by means of a two component binding agent.
  • the strip is wound with the edges close to each other so that the roller obtains the appearance of the roller 38 in Fig. 5.
  • the carborundum strip is designated with reference numeral 42 while the edges of the strip engaging each other are designated with reference numeral 44.
  • the carborundum coating of the peeling rollers are positioned within surface portions separated from each other and between which smooth and preferably glossy surface portions of the rollers are provided.
  • the carborundum strip 42 is wound in opposite directions on the rollers 36 and 40 so that the surface portions 46 will form on the rollers a right helix and a left helix, respectively.
  • the smooth surface portions 46 between the carborundum coating contribute to the action of subjecting the potatoes to movements during the peeling operation contributing to the efficiency and uniformity of the peeling.
  • the smooth surface portions 46 also contribute to the efficient removal of the peel remainders from the rollers.
  • a peeling machine according to the invention can in a desired way be constructed of two or more containers of the kind shown in Figs. 1 - 3 and can be provided with different types of peeling rollers according to the principles shown in Fig. 5.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Cultivation Of Plants (AREA)
EP93109430A 1992-07-24 1993-06-12 A peeling machine for vegetable products Expired - Lifetime EP0583569B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9202245A SE510585C2 (sv) 1992-07-24 1992-07-24 Skalare för rotfrukter
SE9202245 1992-07-24

Publications (2)

Publication Number Publication Date
EP0583569A1 EP0583569A1 (en) 1994-02-23
EP0583569B1 true EP0583569B1 (en) 1998-12-16

Family

ID=20386847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93109430A Expired - Lifetime EP0583569B1 (en) 1992-07-24 1993-06-12 A peeling machine for vegetable products

Country Status (5)

Country Link
US (1) US5351610A (sv)
EP (1) EP0583569B1 (sv)
AT (1) ATE174477T1 (sv)
DE (1) DE69322557T2 (sv)
SE (1) SE510585C2 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100633B (sv) * 1994-05-05 1998-01-30 Elmer Egil Norrvik Skalare för potatis och liknande produkter
SE507397C2 (sv) * 1994-11-29 1998-05-25 Limas Ab Knivskalare för rotfrukter
US5454303A (en) * 1994-12-27 1995-10-03 Spry; Robert H. Sheller for seed corn
US5544575A (en) * 1994-12-27 1996-08-13 Spry; Robert H. Sheller for seed corn
US5780088A (en) * 1997-01-17 1998-07-14 David R. Zittel Electric motor driven abrasive roller peeler and cleaning machine
US5786014A (en) * 1997-04-11 1998-07-28 Fmc Corporation Capacity caustic peeler system
US6082252A (en) * 1999-06-29 2000-07-04 Fmc Corporation Pre-heat apparatus for peeling system
FI112435B (sv) 2000-02-09 2003-12-15 Formit Foodproc Ab Oy Skalningselement
US20050082144A1 (en) * 2003-10-14 2005-04-21 Maupin Daniel D. High speed food product peeling or cleaning machine and method
US20050204937A1 (en) * 2004-03-18 2005-09-22 Baird Thomas D Apparatus for peeling and scrubbing produce
US7143687B2 (en) * 2004-04-29 2006-12-05 Creative Serving Incorporated Roller grill having rollers with a roughened surface
EP4049545A1 (en) * 2021-02-25 2022-08-31 Forsfood Group Oy Peeling roll element pair, processing device and method for peeling vegetables

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1995693A (en) * 1932-07-29 1935-03-26 William E Urschel Vegetable peeler
US2249787A (en) * 1939-09-14 1941-07-22 Sanitary Food Proc Company Inc Vegetable and fruit skin removing device
FR1120919A (fr) * 1955-03-17 1956-07-17 Alexanderwerk Ag Machine à éplucher les pommes de terre et autres
FR1120918A (fr) * 1955-03-17 1956-07-17 Alexanderwerk Ag Machine à éplucher les pommes de terre
US3566942A (en) * 1968-08-02 1971-03-02 Geneieve I Hanscom Apparatus for peeling vegetables or fruits
BE790252A (fr) * 1971-10-27 1973-02-15 Wallace Joseph E Appareil pour eplucher par abrasion divers produits tels que des fruitsou des legumes
US3854395A (en) * 1973-02-12 1974-12-17 Fmc Corp Flexible cable dry peeler
US3946658A (en) * 1973-12-26 1976-03-30 Genevieve I. Hanscom (Formerly Genevieve I. Magnuson) Peeling apparatus for fruit and vegetable articles
US4132162A (en) * 1977-12-19 1979-01-02 Magnuson Engineers, Inc. Apparatus for peeling fruits and vegetables
US4237782A (en) * 1978-11-27 1980-12-09 Starr, Incorporated Vegetable processing machine with product mobilizer apparatus
GB2095538A (en) * 1981-03-27 1982-10-06 Brinkman Robertus Hermanus Nic Method and apparatus for peeling vegetables such as potatoes
SE431283B (sv) * 1982-07-26 1984-01-30 Livsmedelsmaskiner Limas Bo Jo Mekanisk skalare for rotfrukter och andra produkter
US4519305A (en) * 1984-02-03 1985-05-28 Hawkeye Food Machinery, Inc. Vegetable peeler
IT1215320B (it) * 1985-11-26 1990-01-31 Dassi Gianluca Pelapatate elettrico a rulli filettati rachianti, ruotanti con moto reciprocamente contrario.
US4827836A (en) * 1987-10-20 1989-05-09 Filper Industries, Inc. Fruit and vegetable peeler
DE3934173A1 (de) * 1989-10-13 1991-04-18 Dornow Karl Dietrich Rollen- oder walzenschaelmaschine zum mechanischen schaelen von erd- oder baumfruechten
DE9013391U1 (sv) * 1990-09-21 1990-11-29 Harbers, Wilhelm, 7260 Calw, De
US5106641A (en) * 1991-04-23 1992-04-21 Bichel Ronald A Apparatus and method for waterless rotary cleaning and peeling food products and the like

Also Published As

Publication number Publication date
EP0583569A1 (en) 1994-02-23
DE69322557T2 (de) 1999-05-20
ATE174477T1 (de) 1999-01-15
DE69322557D1 (de) 1999-01-28
US5351610A (en) 1994-10-04
SE9202245L (sv) 1994-01-25
SE9202245D0 (sv) 1992-07-24
SE510585C2 (sv) 1999-06-07

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